WebAssign, the independent online homework and assessment solution, is proud to announce a new partnership with the open source teaching community. College Trigonometry, is authored by Carl Stitz of Lakeland Community College and Jeff Zeager of Lorain County Community College, winners of the University System of Ohio Faculty Innovation Award. This textbook, available through the Orange Grove Texts Plus open source content repository, is now supported by homework questions and student learning resources within WebAssign.